Thread: Pontiac Ram Air IV, 455 H/O question
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Old 02-15-2006, 01:25 PM
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ZMAN1969 ZMAN1969 is offline
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Default round port
68 RAII - round port
69 RAIV -round port
70 RAIV -round port
70 455 ho- d port
71,72 455ho round port
73,74 super duty - round port
71-74 had big combustion chambers
68,9,70 RA had 72cc chambers
thats all i know
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